MAX16823AUE/V+T

Voltage - Output:	39.3V
Base Part Number:	MAX16823
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	Automotive, Backlight, Lighting
Dimming:	PWM
Frequency:	--
Current - Output / Channel:	100mA
Series:	Automotive, AEC-Q100
Voltage - Supply (Max):	40V
Voltage - Supply (Min):	5.5V
Number of Outputs:	3
Internal Switch(s):	Yes
Topology:	--
Type:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - LED DriversMAX16823AUE/V+T is a powerful system-level dimming solution for managing multiple strings of LEDs. The device simplifies charging circuit design by integrating power-mosfet switch, safety control and low-battery monitoring into a small, low-power module. This comprehensive system solution reduces circuit board area, cost and time-to-market while delivering reliable performance in a variety of LED driver applications. The MAX16823AUE/V+T is a step-up/step-down converter with integrated high-voltage MOSFET switch and adjustable output current limiting. It accepts an input voltage of 3V to 5.5V and can produce an output voltage from 3V to 65V. Additionally, the IC can deliver a 2A continuous LED current with fast transient response and excellent transient immunity. The output voltage can be dynamically adjusted with built-in hysteretic PWM dimming control and power saving low-power mode. The MAX16823AUE/V+T integrates high-voltage current sense, high-side switch current sensing, flash timing, and over-temperature protection. It also provides low-battery monitoring (LBM) and output short-circuit protection. The device uses current-mode control to provide constant LED current without requiring an adjustable voltage regulator. In addition, the peak current can be increased by up to 10% to compensate for LED forward voltage variations. The MAX16823AUE/V+T is suitable for a wide range of LED illumination applications, including backlighting and signage, automotive lighting, industrial lighting, and general-purpose lighting. Its robust features provide safe operation and dependable performance. The device supports up to 16 series DMOS (DMOS) switches, enabling a wide variety of configurations to meet any application requirement. This versatile device can be used to drive both high- and low-voltage AC and DC LEDs. The MAX16823AUE/V+T is an innovative and cost-effective solution for efficiently driving white or multi-color LEDs. Its integrated high-voltage switch and adjustable output current limiting provide superior power management and control for automated sequencing and low-cost dimming. Additionally, the device eliminates the need for an external voltage regulator and voltage amplifier, reducing power losses and overall solution cost. The working principle of the MAX16823AUE/V+T is based on a series of pulses from the internal logic, which activate multiple power-mosfet switches that then turn on and off continuously, allowing the device to produce a continuous regulated output voltage. The output current is regulated by sensing the voltage across an adjustable current-sense resistor and adjusting the duty cycle of the internal switches accordingly. The duty cycle is further adjusted by an external RC network and an internal amplifier. The constant output current is maintained by the hysteretic PWM dimming and low-power modes, enabling efficient lighting with minimal power losses. In summary, the MAX16823AUE/V+T is a powerful system-level dimming solution for efficient LED driver applications. The device integrates high-voltage MOSFET switch and adjustable output current limiting, low-battery monitoring, and other advanced features. Its integrated hysteretic PWM dimming and low-power modes provide efficient dimming control, eliminating the need for an external voltage regulator and voltage amplifier. Finally, the device supports up to 16 series DMOS switches, offering a highly flexible and cost-saving system solution.

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